Lexus ES manuals

Lexus ES: Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received (U040181)

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System (for Gasoline Model) / Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received (U040181)

DESCRIPTION

If the ECM cannot recognize the forward recognition camera. DTC U040181 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

DTC Output from

U040181

Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received

Approximately 17 seconds or more after the engine switch is turned on (IG), the ECM cannot recognize the forward recognition camera for approximately 2 seconds or more.

ECM

Does not come on

Radar Cruise2

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the ECM, refer to Registration.

Click here

PROCEDURE

1.

CHECK FOR DTCs

(a) Clear the DTCs.

Powertrain > Radar Cruise2 > Clear DTCs

(b) Make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

(c) Check for DTCs.

Powertrain > Radar Cruise2 > Trouble Codes

Result

Proceed to

DTC U040181 is not output

A

DTC U040181 is output

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE ECM

READ NEXT:

 Steering Pad Switch Circuit

DESCRIPTION The steering pad switch assembly outputs the dynamic cruise control on/off signal and various control signals to the ECM. The ECM controls the dynamic cruise control system according

 Steering Pad Switch Circuit

DESCRIPTION The steering pad switch assembly outputs the dynamic cruise control on/off signal and various control signals to the ECM. The ECM controls the dynamic cruise control system according

 Distance Control Switch Circuit

DESCRIPTION The vehicle-to-vehicle distance control switch is used to set the distance for vehicle-to-vehicle distance control mode. The vehicle-to-vehicle distance control switch is installed in the

SEE MORE:

 Drive Belt

ComponentsCOMPONENTS ILLUSTRATION *1 NO. 2 ENGINE UNDER COVER ASSEMBLY *2 V-RIBBED BELT *3 FRONT WHEEL OPENING EXTENSION PAD LH *4 FRONT WHEEL OPENING EXTENSION PAD RH *5 NO. 1 ENGINE UNDER COVER - - N*m (kgf*cm, ft.*lbf): Specified torque - - On-vehicle

 Hybrid/EV Battery Energy Control Module EEPROM Calibration / Parameter Memory Failure (P062F46)

DESCRIPTION The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction. If these DTCs are output, replace the battery ECU assembly. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P062F4

© 2016-2024 Copyright www.lexguide.net